What should you do in the intermediate steps of a numerical calculation? Include an error estimate at each step.

Round the result of every arithmetic operation to the number of significant figures in the input numbers.

Express each number in scientific notation.

Keep at least a couple of extra digits beyond those needed for determining significant figures.

If a textbook weighs 37.2 n on venus, and the book has a mass of 4.4 kg, what is the strength of gravity on venus? 8.9 m/s28.9 m/si don't have enough information,9.8 m/s2

Give an example in which the electrical energy changes to light energy

Which of these statements best explains how the hydrosphere interacts with the atmosphere to affect global climate? mountains block rain clouds and cause changes in global rainfall and evaporation. humans burn fossil fuels to produce greenhouse gases which cause global warming. humans cut down trees which affects the amount of oxygen in different parts of the globe. greenhouse gases, like carbon dioxide, dissolve in oceans and prevent global warming.